fix(react-email): prettier errors causing NextJS serialization error (#2214)

Author: gabrielmfern

.changeset/stupid-ghosts-decide.md

@@ -0,0 +1,5 @@
+---
+"react-email": patch
+---
+
+Fix prettier errors causing NextJS serialization error

packages/react-email/src/utils/improve-error-with-sourcemap.ts

@@ -80,7 +80,6 @@ export const improveErrorWithSourceMap = (
   return {
     name: error.name,
     message: error.message,
-    cause: error.cause,
     stack,
   };
 };

packages/react-email/src/utils/types/error-object.ts

@@ -6,6 +6,6 @@
 export interface ErrorObject {
   name: string;
   stack: string | undefined;
-  cause: unknown;
+  cause?: unknown;
   message: string;
 }